LiftMaster Chain Tensioner, 1" | LIF-71-6023 LIFT-29-40376 Box) | SCP-22/6P-500

Box) | SCP-22/6P-500

Security Brands Circuit Board - Advantage DKE (Post Mount) | SEC-30-031A-500

Compact & Efficient – Streamlines detector replacement and upgrades without rewiring or extra hardware

LM1600 | LIF-EM16-120

Model Number: CB12956

LiftMaster Chain Tensioner, 1" | LIF-71-6023 LIFT-29-40376 Box) | SCP-22/6P-500LiftMaster Chain Tensioner, 1" LIF 71 6023 Chain Tensioner Kit for H, J and HJ Commercial Door Operators. Maintain the correct amount of tension in the chain of your commercial door operator with this part. Made for 1 Shafts, it will apply tension to the drive chain between the operator and the shaft of the door. Genuine LiftMaster replacement part.